?????? ?????? ???????? ??????? ???????? ??????? ??????

?? ???? ?? ?? ????? ??????? ?? ??????? ??????? ?????? ?? ??????? ????????? ?? ???? ??? ???? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ??? ?????? ?????? ?????? ???????? ????? ?????? ???????? ??????? ?????? ??????? ??????? ??????? ??????? ??? ?? ???? ???????? ???????? ?????? ????? ?????? ??????? ????? ?? ?????????? ??? ?? ??? ????????? ??????????. ?????? ??????? ???? ????? ????? ???????? ???????. ?????? ?? ???? ????? ?????? ??? ??????? ????? ????? ????????? ???? ???????? ?????? ????????? ??????? ??? ???? ???? ???? ????? ????? ?????? ?? ??????? ???????. ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd.? ???? ????? ???? ??????? ??????? ??? ??????? ?? ??????? ??????? ??????. ???? ????? ??? ??????? ?????? ???? ?????? ?????? ?????? ?? ??? ??????? ???? ?????????? ??????? ????????? ?? ?? Shijiazhuang Deye Piping Industries Co., Ltd. ????? ??????? ?????? ?????? ??????? ?????? ?????? ????? ???? ???? ?? ????? ???????? ????? ?????? ?? ???????

?????? ??? ???

???? ??????? PV-0600-2F

???? ????

ANSI ?????? ????? ???????

????? ???? ??? ????? ??????

???? ????? ?????? EPDM

WP91 ??????? ?????? ?? ????? ????? PF-A-08

???? ???? ????? ??????? ?????

???? ????? ?????? ?????

???????? ?????? ?????

???? ?????? ?????? BY-03

GGG50 ?????? ??? ????? ?? ??????? ??? CV-H-001-1

???? ?????? ???????? A105N (C-PR-1500-4)

F4 PN16 ???? ???? ?? ???? ?? ?????? ????? (BY-02)

????? ???? ?? ?????? ?? ?????? ????? AH-03

???? ??????? WCB API600 CLASS300 GVC-00300

????? ??? ???

??? ?????

????? ?????? ???? ????? ?????? ?? ??????. ?????? ??? ??? ???? ?? ???? ???? ???? ???? ????? ???? ???????? ???? ?? ???????? ????????? ??? ?????? ?????? ??????...

????????? ???????? ???? ?????? (ANSI B16.5)

????? ???????: ?????? ????????? ??? ???? ???? ?? ?? ????? ??????? ???? ?????? ????? ????? ???? ?????? ???????. ??? ?? ??????? ???????? ???????. ????? ?????? 12 ???? (304.8 ???) ??????...